A Measurement-Based Parameterization of Physics Reflection Models for Terahertz Communication
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arXiv
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| Main Authors: | , , , , , , , , |
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| Format: | Preprint |
| Published: |
2026
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| _version_ | 1866914592699973632 |
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| author | Zhang, Taihao Lin, Chenzhou Pan, Cunhua Ren, Hong Liu, Ruyi He, Yongchao Qiu, Tian Hua, Bingchang Wang, Jiangzhou |
| author_facet | Zhang, Taihao Lin, Chenzhou Pan, Cunhua Ren, Hong Liu, Ruyi He, Yongchao Qiu, Tian Hua, Bingchang Wang, Jiangzhou |
| contents | The accurate modeling of reflection coefficients is pivotal for developing reliable channel models in emerging terahertz (THz) communications. This study establishes a 300$\sim$400 GHz channel measurement platform to measure the reflection coefficients of various materials. Based on the analysis of measured data, we propose the single-layer interference with an extended-parameterized Lorentz/Drude (SLI-EPLD) reflection coefficient model. In this model, a sub-band modeling strategy is adopted to characterize the variation of reflection coefficients with frequency, while a parameterized mapping approach is employed to ensure the stability of model parameters. Furthermore, the weighted sub-band fitting for trend regression (WF-TREND) algorithm is introduced to achieve precise sub-band parameter fitting. Validation results demonstrate superior performance to existing models across multiple materials. The reflection coefficient model established in this work serves as a critical foundation for channel modeling in 300$\sim$400 GHz for high-THz communication. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_23795 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | A Measurement-Based Parameterization of Physics Reflection Models for Terahertz Communication Zhang, Taihao Lin, Chenzhou Pan, Cunhua Ren, Hong Liu, Ruyi He, Yongchao Qiu, Tian Hua, Bingchang Wang, Jiangzhou Signal Processing The accurate modeling of reflection coefficients is pivotal for developing reliable channel models in emerging terahertz (THz) communications. This study establishes a 300$\sim$400 GHz channel measurement platform to measure the reflection coefficients of various materials. Based on the analysis of measured data, we propose the single-layer interference with an extended-parameterized Lorentz/Drude (SLI-EPLD) reflection coefficient model. In this model, a sub-band modeling strategy is adopted to characterize the variation of reflection coefficients with frequency, while a parameterized mapping approach is employed to ensure the stability of model parameters. Furthermore, the weighted sub-band fitting for trend regression (WF-TREND) algorithm is introduced to achieve precise sub-band parameter fitting. Validation results demonstrate superior performance to existing models across multiple materials. The reflection coefficient model established in this work serves as a critical foundation for channel modeling in 300$\sim$400 GHz for high-THz communication. |
| title | A Measurement-Based Parameterization of Physics Reflection Models for Terahertz Communication |
| topic | Signal Processing |
| url | https://arxiv.org/abs/2605.23795 |